![How can scientists be sure that the space probes they send to the planets and other celestial objects aren't contaminating these worlds? | Astronomy.com How can scientists be sure that the space probes they send to the planets and other celestial objects aren't contaminating these worlds? | Astronomy.com](https://www.astronomy.com/wp-content/uploads/sites/2/2021/09/Gravity-Probe-B.jpg)
How can scientists be sure that the space probes they send to the planets and other celestial objects aren't contaminating these worlds? | Astronomy.com
![Cosmic Queries: Space Probes with Dr. Amy Mainzer : Cosmic Queries: Space Probes with Dr. Amy Mainzer Cosmic Queries: Space Probes with Dr. Amy Mainzer : Cosmic Queries: Space Probes with Dr. Amy Mainzer](https://startalkmedia.com/wp-content/uploads/2014/07/satellite-in-space-750x563.jpg)
Cosmic Queries: Space Probes with Dr. Amy Mainzer : Cosmic Queries: Space Probes with Dr. Amy Mainzer
![Innovative Reflective Materials to Accelerate Space Probes Light Years Away | UCLA Samueli School Of Engineering Innovative Reflective Materials to Accelerate Space Probes Light Years Away | UCLA Samueli School Of Engineering](https://samueli.ucla.edu/wp-content/uploads/samueli/light_sail2.png)
Innovative Reflective Materials to Accelerate Space Probes Light Years Away | UCLA Samueli School Of Engineering
![ASTRONOMY :: ASTRONAUTICS :: SPACE PROBE :: EXAMPLES OF SPACE PROBES [1] image - Visual Dictionary Online ASTRONOMY :: ASTRONAUTICS :: SPACE PROBE :: EXAMPLES OF SPACE PROBES [1] image - Visual Dictionary Online](http://www.visualdictionaryonline.com/images/astronomy/astronautics/space-probe/examples-space-probes_1.jpg)